| NAME | TEL CODE | TELEPHONE | ADDRESS | POSTAL CODE | CITY |
| Andimahia Telephone Service (O.T.E) | 0242 | 51599 | 853 02 | ANDIMAHIA | |
| Kos Telephone Service (O.T.E) | 0242 | 28299, 22499 | Xanthou & Lord Byron strs. | 853 00 | KOS |
| CITY | TEL CODE |
| AGIOS DIMITRIOS | 0242 |
| AGIOS FOKAS | 0242 |
| AGIOS STEFANOS | 0242 |
| ANDIMAHIA | 0242 |
| ASFENDIOU | 0242 |
| KAMARI | 0242 |
| KARDAMENA | 0242 |
| KEFALOS | 0242 |
| KOS | 0242 |
| LAGOUDI (ZIA) | 0242 |
| LAMBI | 0242 |
| LINOPOTIS | 0242 |
| MARMARI | 0242 |
| MASTIHARI | 0242 |
| PILI | 0242 |
| PLATANOS | 0242 |
| PSALIDI | 0242 |
| THERMES | 0242 |
| TIGAKI | 0242 |
| ZIPARI | 0242 |
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